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Related Concept Videos

Contact-dependent Signaling01:19

Contact-dependent Signaling

Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
What is Cell Signaling?02:03

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
What is Cell Signaling?02:03

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
Overview of Cell Signaling01:23

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
Overview of Cell Signaling01:23

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...
Overview of Cell-Cell Junctions01:14

Overview of Cell-Cell Junctions

The complex three-dimensional arrangement of cells in any multicellular organism is defined and maintained by interactions of cells with each other and the extracellular matrix. Cell-cell junctions are specialized structures where the multi-protein complexes on one cell interact with the multi-protein complexes on another  cell. These cell junctions are classified  into three main types based on their function — occluding, anchoring, and gap junctions.
Occluding or Tight Junctions
Tight...

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Related Experiment Video

Updated: Jun 14, 2026

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ
09:34

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Published on: January 7, 2019

Spatial organization and signal transduction at intercellular junctions.

Boryana N Manz1, Jay T Groves

  • 1Howard Hughes Medical Institute, Department of Chemistry, University of California, Berkeley, CA 94720, USA. boryana@berkeley.edu

Nature Reviews. Molecular Cell Biology
|April 1, 2010
PubMed
Summary
This summary is machine-generated.

Cell membrane receptors form spatial patterns crucial for intercellular signaling, influencing cell communication and function. New methods reveal how spatial organization impacts cellular signaling dynamics.

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Last Updated: Jun 14, 2026

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ
09:34

Applications of Spatio-temporal Mapping and Particle Analysis Techniques to Quantify Intracellular Ca2+ Signaling In Situ

Published on: January 7, 2019

Mechanical Stimulation-induced Calcium Wave Propagation in Cell Monolayers: The Example of Bovine Corneal Endothelial Cells
10:46

Mechanical Stimulation-induced Calcium Wave Propagation in Cell Monolayers: The Example of Bovine Corneal Endothelial Cells

Published on: July 16, 2013

Single-cell Microinjection for Cell Communication Analysis
09:59

Single-cell Microinjection for Cell Communication Analysis

Published on: February 26, 2017

Area of Science:

  • Cell Biology
  • Immunology
  • Biophysics

Background:

  • Cell membrane receptors play a critical role in intercellular communication.
  • The spatial organization of these receptors influences signal transduction pathways.
  • Understanding receptor organization is key to deciphering complex cellular signaling.

Purpose of the Study:

  • To explore the significance of spatial patterns formed by cell membrane receptors in intercellular signaling.
  • To investigate how these patterns, beyond direct protein interactions, modulate signal transduction.
  • To introduce and utilize novel experimental strategies for manipulating molecular spatial organization in living cells.

Main Methods:

  • Investigated the formation and dynamics of micrometre-scale spatial patterns of cell membrane receptors.
  • Employed advanced experimental techniques to manipulate the spatial organization of molecules within living cells.
  • Analyzed the impact of these spatial manipulations ('spatial mutations') on cellular signaling.

Main Results:

  • Demonstrated that cell membrane receptor organization into spatial patterns is a key feature of intercellular signaling, exemplified by immunological synapses.
  • Showcased that these patterns emerge transiently and are not solely dependent on direct protein-protein interactions.
  • Revealed that manipulating spatial organization provides insights into the interplay of spatial, mechanical, and chemical factors in cell signaling.

Conclusions:

  • The spatial arrangement of cell membrane receptors is a critical, yet complex, determinant of intercellular signaling.
  • Novel experimental approaches manipulating spatial organization offer powerful tools for studying signaling mechanisms.
  • Further research into spatial signaling is essential for a comprehensive understanding of cellular communication.